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  <head>
    <meta charset="UTF-8" />
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    <title>Document</title>
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  <body>
    <!-- 找到和为给定整数的三个连续整数 -->
    <script>
      let sumOfThree = num => {
        if (num % 3) return []
        return [num / 3 - 1, num / 3, num / 3 + 1]
      }
      console.log(sumOfThree(33))
    </script>
  </body>
</html>
